Completely redesigned and more versatile than ever before. Compatibility varies by generation. Apps are available from the App Store. Third-party software is available separately. The display has rounded corners. Measured as a rectangle, the display has a diagonal of 10.86" (27.58 cm) on the 10.9" iPad. The actual visible area of the display is smaller. Battery life varies depending on usage and configuration. USB C to Apple Pencil adapter required for compatibility with iPad (10th generation).